wp-admin/includes/class-language-pack-upgrader-skin.php:54Performs an action before a language pack update.
public function before() { $name = $this->upgrader->get_name_for_update( $this->language_update ); echo '<div class="update-messages lp-show-latest">'; /* translators: 1: Project name (plugin, theme, or WordPress), 2: Language. */ printf( '<h2>' . __( 'Updating translations for %1$s (%2$s)…' ) . '</h2>', $name, $this->language_update->language ); }Introduced in 3.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-language-pack-upgrader-skin.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.